<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>CSS Practice</title>
    <link rel="stylesheet" href="style.css">
    <style>
            h5, h6 {
            font-size: 100%;
            font-weight: normal;
        }
    </style>
    <style>
        h1, h2, h3, h4, h5 {
            font-size: 30px;
            font-weight: bold;
        }
    </style>
</head>
<body>
    <h1>h1</h1>
    <h2>h2</h2>
    <h3>h3</h3>
    <h4>h3</h4>
    <h5>h5</h5>
    <h6>h6</h6>
    <div style="color: rebeccapurple; background-color: aquamarine">test</div>
</body>
</html>